<template>
  <header class="header">
    <h1>todos</h1>
    <input id="toggle-all" class="toggle-all" type="checkbox" >
    <label for="toggle-all"></label>
    <input
      class="new-todo"
      placeholder="输入任务名称-回车确认"
      autofocus
      v-model.trim="taskName"
      @keyup.enter="add"
    />
  </header>
</template>

<script>
export default {
    data(){
        return {
            taskName:''
        }
    },
    methods:{
        add(){
            this.$emit('addTask',this.taskName)
            this.taskName=''
        }
    }
}
</script>